Species specific isotope dilution versus internal standardization strategies for the determination of Cu, Zn-superoxide dismutase in red blood cells

1. Ordóñez, Y.N.
2. Deitrich, C.L.
3. Montes-Bayón, M.
4. Blanco-González, E.
5. Feldmann, J.
6. Sanz-Medel, A.